Static task
static1
Behavioral task
behavioral1
Sample
2024-05-12_4fac5d109aa73a6d97ecc932dc3cbda6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-12_4fac5d109aa73a6d97ecc932dc3cbda6_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-12_4fac5d109aa73a6d97ecc932dc3cbda6_cryptolocker
-
Size
5.5MB
-
MD5
4fac5d109aa73a6d97ecc932dc3cbda6
-
SHA1
9761ea2cd81ef20bb8a948b98f582500db892ffa
-
SHA256
7e69384e9b432415381ff492ac1ab5e2c51862444af5d5426178c41938a240fe
-
SHA512
86039c24aa1f141e0fb11fccf0df588fb60498ac8a7f0559c99e4806fc775f0003796f3bd599bb12a7ee451259ecd601403c5dea7724f75bccac2a84db6dabe6
-
SSDEEP
98304:Vd3WWklj4b+ZTRXb81tTFjWYt8nfa9WfkOsm5UfjQNYT/StkkLlDzXgsOUlE8Fr:Vd3Vklsb+ZKyYt8fMtOsm5UfjQNqSKcZ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-12_4fac5d109aa73a6d97ecc932dc3cbda6_cryptolocker
Files
-
2024-05-12_4fac5d109aa73a6d97ecc932dc3cbda6_cryptolocker.exe windows:5 windows x86 arch:x86
d234aa15b2f3e24689c37424e8f7571e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
CharUpperBuffW
kernel32
GetLastError
GetSystemTimeAsFileTime
LocalAlloc
LocalFree
GetModuleFileNameW
ExitProcess
LoadLibraryA
GetModuleHandleA
GetProcAddress
gdi32
CreateFontIndirectA
Sections
.text Size: - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.+o$ Size: - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.4nt Size: - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ei; Size: - Virtual size: 3.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.f|z Size: 1024B - Virtual size: 976B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.=b= Size: 5.5MB - Virtual size: 5.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ